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PCA9511AD,112 PDF预览

PCA9511AD,112

更新时间: 2024-11-15 15:47:35
品牌 Logo 应用领域
恩智浦 - NXP PC光电二极管接口集成电路
页数 文件大小 规格书
24页 150K
描述
PCA9511A - Hot swappable I2C-bus and SMBus bus buffer SOIC 8-Pin

PCA9511AD,112 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SOP, SOP8,.25
针数:8Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:7.08
接口集成电路类型:INTERFACE CIRCUITJESD-30 代码:R-PDSO-G8
JESD-609代码:e4长度:4.9 mm
湿度敏感等级:1功能数量:1
端子数量:8最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260电源:3/5 V
认证状态:Not Qualified座面最大高度:1.75 mm
子类别:Other Interface ICs最大压摆率:6 mA
最大供电电压:5.5 V最小供电电压:2.7 V
标称供电电压:3.3 V表面贴装:YES
温度等级:INDUSTRIAL端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:3.9 mmBase Number Matches:1

PCA9511AD,112 数据手册

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PCA9511A  
Hot swappable I2C-bus and SMBus bus buffer  
Rev. 04 — 19 August 2009  
Product data sheet  
1. General description  
The PCA9511A is a hot swappable I2C-bus and SMBus buffer that allows I/O card  
insertion into a live backplane without corrupting the data and clock buses. Control  
circuitry prevents the backplane from being connected to the card until a stop command or  
bus idle occurs on the backplane without bus contention on the card. When the  
connection is made, the PCA9511A provides bidirectional buffering, keeping the  
backplane and card capacitances isolated.  
The PCA9511A rise time accelerator circuitry allows the use of weaker DC pull-up  
currents while still meeting rise time requirements. The PCA9511A incorporates a digital  
ENABLE input pin, which enables the device when asserted HIGH and forces the device  
into a low current mode when asserted LOW, and an open-drain READY output pin, which  
indicates that the backplane and card sides are connected together (HIGH) or not (LOW).  
During insertion, the PCA9511A SDA and SCL lines are precharged to 1 V to minimize  
the current required to charge the parasitic capacitance of the chip.  
2. Features  
I Bidirectional buffer for SDA and SCL lines increases fan out and prevents SDA and  
SCL corruption during live board insertion and removal from multipoint backplane  
systems  
I Compatible with I2C-bus Standard-mode, I2C-bus Fast-mode, and SMBus standards  
I Built-in V/∆t rise time accelerators on all SDA and SCL lines (0.6 V threshold)  
requires the bus pull-up voltage and supply voltage (VCC) to be the same  
I Active HIGH ENABLE input  
I Active HIGH READY open-drain output  
I High-impedance SDA and SCL pins for VCC = 0 V  
I 1 V precharge on all SDA and SCL lines  
I Supporting clock stretching and multiple master arbitration/synchronization  
I Operating power supply voltage range: 2.7 V to 5.5 V  
I 0 Hz to 400 kHz clock frequency  
I ESD protection exceeds 2000 V HBM per JESD22-A114, 200 V MM per  
JESD22-A115, and 1000 V CDM per JESD22-C101  
I Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA  
I Packages offered: SO8, TSSOP8 (MSOP8)  
 
 

PCA9511AD,112 替代型号

型号 品牌 替代类型 描述 数据表
PCA9511ADP NXP

完全替代

Hot swappable I2C-bus and SMBus bus buffer

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